Table 2 Synthesis of monosubstituted 2,3-dihydroquinazoline-4(1H)-ones using Co-aminobenzamid@Al-SBA-15

1

218–220 [7]

2

214–215 [11]

3

199–201 [7]

4

233–235 [7]

5

192–193 [27]

6

203–205 [9]

7

182–184 [28]

8

204–206 [11]

9

177–179 [7]

10

209–211 [7]